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<h1>examples/rotoscoper/rotoscoper.cpp</h1><a href="rotoscoper_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> *      Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012. PARP Research Group.</span>
<a name="l00003"></a>00003 <span class="comment"> *      &lt;http://perception.inf.um.es&gt;</span>
<a name="l00004"></a>00004 <span class="comment"> *      University of Murcia, Spain.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> *      This file is part of the QVision library.</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> *      QVision is free software: you can redistribute it and/or modify</span>
<a name="l00009"></a>00009 <span class="comment"> *      it under the terms of the GNU Lesser General Public License as</span>
<a name="l00010"></a>00010 <span class="comment"> *      published by the Free Software Foundation, version 3 of the License.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> *      QVision is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> *      but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00015"></a>00015 <span class="comment"> *      GNU Lesser General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> *      You should have received a copy of the GNU Lesser General Public</span>
<a name="l00018"></a>00018 <span class="comment"> *      License along with QVision. If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020 
<a name="l00047"></a>00047 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00048"></a>00048 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
<a name="l00049"></a>00049 <span class="preprocessor">#include &lt;iostream&gt;</span>
<a name="l00050"></a>00050 <span class="preprocessor">#include &lt;QDebug&gt;</span>
<a name="l00051"></a>00051 
<a name="l00052"></a>00052 <span class="preprocessor">#include &lt;qvip.h&gt;</span>
<a name="l00053"></a>00053 <span class="preprocessor">#include &lt;qvipp.h&gt;</span>
<a name="l00054"></a>00054 
<a name="l00055"></a>00055 <span class="preprocessor">#include &lt;QVApplication&gt;</span>
<a name="l00056"></a>00056 <span class="preprocessor">#include &lt;QVVideoReaderBlock&gt;</span>
<a name="l00057"></a>00057 <span class="preprocessor">#include &lt;QVDefaultGUI&gt;</span>
<a name="l00058"></a>00058 <span class="preprocessor">#include &lt;QVImageCanvas&gt;</span>
<a name="l00059"></a>00059 <span class="preprocessor">#include &lt;QVComponentTree&gt;</span>
<a name="l00060"></a>00060 <span class="preprocessor">#include &lt;QVCPUPlot&gt;</span>
<a name="l00061"></a>00061 
<a name="l00062"></a>00062 <span class="preprocessor">#ifndef DOXYGEN_IGNORE_THIS</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span><span class="keyword">class </span>ComponentTreeBlock: <span class="keyword">public</span> <a class="code" href="classQVProcessingBlock.html" title="Base class for Block threads.">QVProcessingBlock</a>
<a name="l00064"></a>00064         {
<a name="l00065"></a>00065         <span class="keyword">public</span>:
<a name="l00066"></a>00066                 ComponentTreeBlock(QString name): <a class="code" href="classQVProcessingBlock.html" title="Base class for Block threads.">QVProcessingBlock</a>(name)
<a name="l00067"></a>00067                         {
<a name="l00068"></a>00068                         addProperty&lt;int&gt;(<span class="stringliteral">&quot;Maximal area to prune&quot;</span>, inputFlag, 50,
<a name="l00069"></a>00069                                 <span class="stringliteral">&quot;Maximal size of the areas to be pruned in the image&quot;</span>, 5, 10000);
<a name="l00070"></a>00070                         addProperty&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Input image&quot;</span>, inputFlag|outputFlag);
<a name="l00071"></a>00071                         addProperty&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Pruned component tree image&quot;</span>, outputFlag);
<a name="l00072"></a>00072                         }
<a name="l00073"></a>00073 
<a name="l00074"></a>00074                 <span class="keywordtype">void</span> <a class="code" href="classQVProcessingBlock.html#a0283c799776e0c938538de0b0ae6b463" title="Function to be defined in subclasses with processing code.">iterate</a>()
<a name="l00075"></a>00075                         {
<a name="l00077"></a>00077                         <span class="comment">// Read parameters</span>
<a name="l00078"></a>00078                         <a class="code" href="classQVImage.html">QVImage&lt;uChar&gt;</a> fromcamera = getPropertyValue&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Input image&quot;</span>);
<a name="l00079"></a>00079                         <a class="code" href="classQVImage.html">QVImage&lt;uChar&gt;</a> image = fromcamera;
<a name="l00080"></a>00080                         <a class="code" href="classQVImage.html">QVImage&lt;uChar&gt;</a> temp = image;
<a name="l00081"></a>00081 
<a name="l00082"></a>00082                         <span class="comment">//const uInt    rows = image.getRows(), cols = image.getCols();</span>
<a name="l00083"></a>00083                         <span class="keyword">const</span> uInt minAreaThreshold = getPropertyValue&lt;int&gt;(<span class="stringliteral">&quot;Maximal area to prune&quot;</span>);
<a name="l00084"></a>00084 
<a name="l00085"></a>00085                         <a class="code" href="classQVProcessingBlock.html#a61f390e8790a77175a6d6e1049a9d127" title="Stablish a performance breakpoint in the execution of the block.">timeFlag</a>(<span class="stringliteral">&quot;Read parameters&quot;</span>);
<a name="l00086"></a>00086 
<a name="l00088"></a>00088                         <span class="comment">// Prune low areas from image, with component tree</span>
<a name="l00089"></a>00089                         <a class="code" href="classQVComponentTree.html" title="Image component tree data structure.">QVComponentTree</a> componentTreeLow(image,<span class="keyword">true</span>);
<a name="l00090"></a>00090                         <a class="code" href="classQVProcessingBlock.html#a61f390e8790a77175a6d6e1049a9d127" title="Stablish a performance breakpoint in the execution of the block.">timeFlag</a>(<span class="stringliteral">&quot;Call to getComponentTree for low areas&quot;</span>);
<a name="l00091"></a>00091 
<a name="l00092"></a>00092                         FilterPruneComponentTreeSmallRegions(image, componentTreeLow, minAreaThreshold);
<a name="l00093"></a>00093                         <a class="code" href="classQVProcessingBlock.html#a61f390e8790a77175a6d6e1049a9d127" title="Stablish a performance breakpoint in the execution of the block.">timeFlag</a>(<span class="stringliteral">&quot;Prune low areas from image&quot;</span>);
<a name="l00094"></a>00094 
<a name="l00096"></a>00096                         <span class="comment">// Prune high areas from image, with component tree</span>
<a name="l00097"></a>00097                         <a class="code" href="classQVComponentTree.html" title="Image component tree data structure.">QVComponentTree</a> componentTreeHigh(image);
<a name="l00098"></a>00098                         <a class="code" href="classQVProcessingBlock.html#a61f390e8790a77175a6d6e1049a9d127" title="Stablish a performance breakpoint in the execution of the block.">timeFlag</a>(<span class="stringliteral">&quot;Call to getComponentTree for high areas&quot;</span>);
<a name="l00099"></a>00099 
<a name="l00100"></a>00100                         FilterPruneComponentTreeSmallRegions(image, componentTreeHigh, minAreaThreshold);
<a name="l00101"></a>00101                         <a class="code" href="classQVProcessingBlock.html#a61f390e8790a77175a6d6e1049a9d127" title="Stablish a performance breakpoint in the execution of the block.">timeFlag</a>(<span class="stringliteral">&quot;Prune high areas from image&quot;</span>);
<a name="l00102"></a>00102 
<a name="l00104"></a>00104                         <span class="comment">// Publish resulting images</span>
<a name="l00105"></a>00105                         setPropertyValue&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Pruned component tree image&quot;</span>, image);
<a name="l00106"></a>00106                         <a class="code" href="classQVProcessingBlock.html#a61f390e8790a77175a6d6e1049a9d127" title="Stablish a performance breakpoint in the execution of the block.">timeFlag</a>(<span class="stringliteral">&quot;Publish resulting images&quot;</span>);
<a name="l00107"></a>00107                         }
<a name="l00108"></a>00108         };
<a name="l00109"></a>00109 
<a name="l00110"></a>00110 <span class="keyword">class </span>CannyBlock: <span class="keyword">public</span> <a class="code" href="classQVProcessingBlock.html" title="Base class for Block threads.">QVProcessingBlock</a>
<a name="l00111"></a>00111         {
<a name="l00112"></a>00112         <span class="keyword">public</span>:
<a name="l00113"></a>00113                 CannyBlock(QString name): <a class="code" href="classQVProcessingBlock.html" title="Base class for Block threads.">QVProcessingBlock</a>(name)
<a name="l00114"></a>00114                         {
<a name="l00115"></a>00115                         addProperty&lt;double&gt;(<span class="stringliteral">&quot;Threshold high&quot;</span>, inputFlag,        150,    <span class="stringliteral">&quot;High threshold for Canny operator&quot;</span>, 50, 1000);
<a name="l00116"></a>00116                         addProperty&lt;double&gt;(<span class="stringliteral">&quot;Threshold low&quot;</span>, inputFlag,         50,     <span class="stringliteral">&quot;Low threshold for Canny operator&quot;</span>, 10, 500);
<a name="l00117"></a>00117                         addProperty&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Canny image&quot;</span>, outputFlag);
<a name="l00118"></a>00118                         addProperty&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Input image&quot;</span>, inputFlag|outputFlag);
<a name="l00119"></a>00119                         }
<a name="l00120"></a>00120 
<a name="l00121"></a>00121                 <span class="keywordtype">void</span> <a class="code" href="classQVProcessingBlock.html#a0283c799776e0c938538de0b0ae6b463" title="Function to be defined in subclasses with processing code.">iterate</a>()
<a name="l00122"></a>00122                         {
<a name="l00124"></a>00124                         <span class="comment">// Read input parameters</span>
<a name="l00125"></a>00125                         <a class="code" href="classQVImage.html">QVImage&lt;uChar,1&gt;</a> image = getPropertyValue&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Input image&quot;</span>);
<a name="l00126"></a>00126                         uInt cols = image.<a class="code" href="classQVImage.html#ad0f2758702ee4d96d538aa353ae81bb7" title="Overloaded function from QVGenericImage::getCols().">getCols</a>(), rows = image.<a class="code" href="classQVImage.html#a55e71ad628f450ee82bb4226cb62ec17" title="Overloaded function from QVGenericImage::getRows().">getRows</a>();
<a name="l00127"></a>00127                         <a class="code" href="classQVImage.html" title="Image representation class for the QVision.">QVImage&lt;sFloat&gt;</a> imageFloat(cols, rows), dX(cols, rows), dY(cols, rows), dXNeg(cols, rows);
<a name="l00128"></a>00128                         <a class="code" href="classQVImage.html">QVImage&lt;uChar&gt;</a>  canny(cols, rows), buffer;
<a name="l00129"></a>00129                 
<a name="l00131"></a>00131                         <span class="comment">// Convert image from uChar to sShort</span>
<a name="l00132"></a>00132                         Convert(image, imageFloat);
<a name="l00133"></a>00133                         <a class="code" href="classQVProcessingBlock.html#a61f390e8790a77175a6d6e1049a9d127" title="Stablish a performance breakpoint in the execution of the block.">timeFlag</a>(<span class="stringliteral">&quot;Convert image from uChar to sShort&quot;</span>);
<a name="l00134"></a>00134                 
<a name="l00136"></a>00136                         <span class="comment">// Obtain horizontal and vertical gradients from image</span>
<a name="l00137"></a>00137                         <a class="code" href="group__qvippFF.html#ga80cdf87494c982146fbaf42fa4e1886f" title="QVision wrapper function for IPP&amp;#39;s ippiFilterSobelHorizMask_32f_C1R.">FilterSobelHorizMask</a>(imageFloat, dY, ippMskSize3x3);
<a name="l00138"></a>00138                         <a class="code" href="group__qvippFF.html#gac4c214ba6435857ee9874d2103e99418" title="QVision wrapper function for IPP&amp;#39;s ippiFilterSobelVertMask_32f_C1R.">FilterSobelVertMask</a>(imageFloat, dX, ippMskSize3x3);
<a name="l00139"></a>00139                         <a class="code" href="group__qvippIAALO.html#gadc8a14bd103bb45afa43950ce454f2fd" title="Adds, subtracts, or multiplies pixel values of an image and a constant, and places...">MulC</a>(dX, -1, dXNeg);
<a name="l00140"></a>00140                         <a class="code" href="classQVProcessingBlock.html#a61f390e8790a77175a6d6e1049a9d127" title="Stablish a performance breakpoint in the execution of the block.">timeFlag</a>(<span class="stringliteral">&quot;Obtain horizontal and vertical gradients from image&quot;</span>);
<a name="l00141"></a>00141                 
<a name="l00143"></a>00143                         <span class="comment">// Apply Canny operator</span>
<a name="l00144"></a>00144                         <a class="code" href="group__qvippCV.html#ga81da042e746aff629cf0e0f45b0f9cb7" title="Allocates size in a buffer image for temporary data for function Canny.This function...">CannyGetSize</a>(canny, buffer);
<a name="l00145"></a>00145                         <a class="code" href="group__qvippCV.html#ga56269a74576283f8743352552aadc12a" title="Creates binary image of source&amp;#39;s image edges, using derivatives of the first...">Canny</a>(dXNeg, dY, canny, getPropertyValue&lt;double&gt;(<span class="stringliteral">&quot;Threshold low&quot;</span>), getPropertyValue&lt;double&gt;(<span class="stringliteral">&quot;Threshold high&quot;</span>), buffer);
<a name="l00146"></a>00146                         <a class="code" href="classQVProcessingBlock.html#a61f390e8790a77175a6d6e1049a9d127" title="Stablish a performance breakpoint in the execution of the block.">timeFlag</a>(<span class="stringliteral">&quot;Apply Canny operator&quot;</span>);
<a name="l00147"></a>00147                 
<a name="l00149"></a>00149                         <span class="comment">// Publish resulting images</span>
<a name="l00150"></a>00150                         setPropertyValue&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Canny image&quot;</span>,canny);
<a name="l00151"></a>00151                         <a class="code" href="classQVProcessingBlock.html#a61f390e8790a77175a6d6e1049a9d127" title="Stablish a performance breakpoint in the execution of the block.">timeFlag</a>(<span class="stringliteral">&quot;Publish resulting images&quot;</span>);
<a name="l00152"></a>00152                         }
<a name="l00153"></a>00153         };
<a name="l00154"></a>00154 
<a name="l00155"></a>00155 
<a name="l00156"></a>00156 <span class="keyword">class </span>ContourPainter: <span class="keyword">public</span> <a class="code" href="classQVProcessingBlock.html" title="Base class for Block threads.">QVProcessingBlock</a>
<a name="l00157"></a>00157         {
<a name="l00158"></a>00158         <span class="keyword">public</span>:
<a name="l00159"></a>00159                 ContourPainter(QString name): <a class="code" href="classQVProcessingBlock.html" title="Base class for Block threads.">QVProcessingBlock</a>(name)
<a name="l00160"></a>00160                         {
<a name="l00161"></a>00161                         addProperty&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Borders image&quot;</span>, inputFlag|outputFlag);
<a name="l00162"></a>00162                         addProperty&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Flat colors image&quot;</span>, inputFlag|outputFlag);
<a name="l00163"></a>00163                         addProperty&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Output image&quot;</span>, outputFlag);
<a name="l00164"></a>00164                         }
<a name="l00165"></a>00165 
<a name="l00166"></a>00166                 <span class="keywordtype">void</span> <a class="code" href="classQVProcessingBlock.html#a0283c799776e0c938538de0b0ae6b463" title="Function to be defined in subclasses with processing code.">iterate</a>()
<a name="l00167"></a>00167                         {
<a name="l00169"></a>00169                         <span class="comment">// Read parameters</span>
<a name="l00170"></a>00170                         <a class="code" href="classQVImage.html">QVImage&lt;uChar&gt;</a> bordersImage = getPropertyValue&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Borders image&quot;</span>);
<a name="l00171"></a>00171                         <a class="code" href="classQVImage.html">QVImage&lt;uChar&gt;</a> flatColorsImage = getPropertyValue&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Flat colors image&quot;</span>);
<a name="l00172"></a>00172                         uInt    rows = bordersImage.<a class="code" href="classQVImage.html#a55e71ad628f450ee82bb4226cb62ec17" title="Overloaded function from QVGenericImage::getRows().">getRows</a>(), cols = bordersImage.<a class="code" href="classQVImage.html#ad0f2758702ee4d96d538aa353ae81bb7" title="Overloaded function from QVGenericImage::getCols().">getCols</a>();
<a name="l00173"></a>00173                         <a class="code" href="classQVProcessingBlock.html#a61f390e8790a77175a6d6e1049a9d127" title="Stablish a performance breakpoint in the execution of the block.">timeFlag</a>(<span class="stringliteral">&quot;Read parameters&quot;</span>);
<a name="l00174"></a>00174                 
<a name="l00176"></a>00176                         <span class="comment">// Paint contours               </span>
<a name="l00177"></a>00177                         <span class="keywordflow">for</span>(uInt col = 0; col &lt; cols; col++)
<a name="l00178"></a>00178                                 <span class="keywordflow">for</span> (uInt row = 0; row &lt; rows; row++)
<a name="l00179"></a>00179                                         <span class="keywordflow">if</span> (bordersImage(col, row))
<a name="l00180"></a>00180                                                 flatColorsImage(col, row) = 0;
<a name="l00181"></a>00181 
<a name="l00183"></a>00183                         <span class="comment">// Publish resulting images</span>
<a name="l00184"></a>00184                         setPropertyValue&lt; QVImage&lt;uChar,1&gt; &gt;(<span class="stringliteral">&quot;Output image&quot;</span>, flatColorsImage);
<a name="l00185"></a>00185                         <a class="code" href="classQVProcessingBlock.html#a61f390e8790a77175a6d6e1049a9d127" title="Stablish a performance breakpoint in the execution of the block.">timeFlag</a>(<span class="stringliteral">&quot;Publish resulting images&quot;</span>);
<a name="l00186"></a>00186                         }
<a name="l00187"></a>00187         };
<a name="l00188"></a>00188 
<a name="l00189"></a>00189 <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[])
<a name="l00190"></a>00190         {
<a name="l00191"></a>00191         <a class="code" href="classQVApplication.html" title="Main class for QVision applications.">QVApplication</a> app(argc, argv,
<a name="l00192"></a>00192                 <span class="stringliteral">&quot;Composes component tree image filtering and canny operator for making animation like images from real images.&quot;</span>
<a name="l00193"></a>00193                 );
<a name="l00194"></a>00194         
<a name="l00195"></a>00195         ComponentTreeBlock componentTreeBlock(<span class="stringliteral">&quot;Component Tree&quot;</span>);
<a name="l00196"></a>00196         CannyBlock cannyBlock(<span class="stringliteral">&quot;Canny operator&quot;</span>);
<a name="l00197"></a>00197         ContourPainter contourPainter(<span class="stringliteral">&quot;Contour painter&quot;</span>);
<a name="l00198"></a>00198 
<a name="l00199"></a>00199         componentTreeBlock.linkProperty(<span class="stringliteral">&quot;Pruned component tree image&quot;</span>, &amp;cannyBlock, <span class="stringliteral">&quot;Input image&quot;</span>, QVProcessingBlock::SynchronousLink);
<a name="l00200"></a>00200         componentTreeBlock.linkProperty(<span class="stringliteral">&quot;Pruned component tree image&quot;</span>, &amp;contourPainter, <span class="stringliteral">&quot;Flat colors image&quot;</span>, QVProcessingBlock::SynchronousLink);
<a name="l00201"></a>00201 
<a name="l00202"></a>00202         cannyBlock.linkProperty(<span class="stringliteral">&quot;Canny image&quot;</span>, &amp;contourPainter, <span class="stringliteral">&quot;Borders image&quot;</span>, QVProcessingBlock::SynchronousLink);
<a name="l00203"></a>00203 
<a name="l00204"></a>00204         <a class="code" href="classQVVideoReaderBlock.html" title="This is a generic video input processing block for the QVision architecture.">QVVideoReaderBlock</a> camera(<span class="stringliteral">&quot;Video&quot;</span>);
<a name="l00205"></a>00205         camera.linkProperty(&amp;componentTreeBlock,<span class="stringliteral">&quot;Input image&quot;</span>);
<a name="l00206"></a>00206 
<a name="l00207"></a>00207         <a class="code" href="classQVDefaultGUI.html" title="Main user interface widget for QVision applications.">QVDefaultGUI</a> interface;
<a name="l00208"></a>00208 
<a name="l00209"></a>00209         <a class="code" href="classQVImageCanvas.html" title="Display widget for QVImage objects and other data types.">QVImageCanvas</a> imageCanvas(<span class="stringliteral">&quot;Rotoscoped image&quot;</span>);
<a name="l00210"></a>00210         contourPainter.linkProperty(<span class="stringliteral">&quot;Output image&quot;</span>, imageCanvas);
<a name="l00211"></a>00211 
<a name="l00212"></a>00212         <span class="keywordflow">return</span> app.exec();
<a name="l00213"></a>00213         }
<a name="l00214"></a>00214 
<a name="l00215"></a>00215 <span class="preprocessor">#endif</span>
<a name="l00216"></a>00216 <span class="preprocessor"></span>
</pre></div></div>
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<br /><hr><br />
<center><a href="http://perception.inf.um.es/QVision">QVision framework</a>.
<a href="http://perception.inf.um.es">PARP research group</a>.
Copyright &copy; 2007, 2008, 2009, 2010, 2011.</center>
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